baber/WOPTO huggingface dataset:
Patent GB-1047987-A (GB)
Title: Improvements in or relating to cathode ray tube apparatus
Inventor: CUTLER ALBERT ERNEST
IPC: B41B19/01
Filed: 1964-02-05
Abstract: 1,047,987. Copying by scanning. COMMUNICATIONS PATENTS Ltd. Feb. 5, 1964, No. 4979/64. Heading H4F. [Also in Division G1] The spot on a cathode-ray tube is controlled to take up a selected position by means of two surfaces on which are defined families of simple curves. Light from any point on the cathode-ray tube screen is incident on both surfaces which are viewed by lightsensitive means which produce signals indicative of the position of the spot relative to the curves and control the spot deflection accordingly. Light from C.R.T. 10, Fig. 1, is imaged upon a screen 12 which may form part of type composing apparatus. A silvered prism 17 reflects some of the light to surfaces 13 and 14 which have alternate transmissive and opaque bands the boundaries of which constitute the curves, those on surface 13 being perpendicular to those on 14. Photo-multipliers 20, 20<SP>1</SP> send a signal indicative of the amount of light passing through surfaces 13, 14 to Y and X deflection circuits. The desired y co-ordinate of the spot is applied to the Y deflection circuit as a 3-bit binary signal on terminals 49, 49<SP>1</SP>, 49<SP>11</SP>, Fig. 6, and the digital/analogue converter 47 applies a corresponding signal to amplifier 40 to energize the deflection coil 19 so that the spot is at about the middle of the opaque band below the desired curve. A time switch 57 then closes contacts 54 and 56 and opens 55. Positive bias at 50 builds up across condenser 51 and moves the spot upwards until the signal from cell 20 balances the bias to keep the spot on the edge of the opaque band. The spot is intensity modulated, and the signal from 20 amplified before being rectified and applied to amplifier 40. In a modification, the circuit 69 in dotted lines may be replaced by a Miller type integrator operating on both the bias and the cell output. A sawtooth waveform may be applied at 70 so that the spot may be scanned over a small area about the selected position. In modified optical arrangements the beams of light falling on the surfaces are separated by a semi-transparent mirror, Fig. 2 (not shown), or a dichroic mirror, Fig. 3 (not shown). In Fig. 9, the surfaces 100, 101 and a screen carrying characters for type composition are adjacent the tube face 103 which comprises fibre optics 105. The cell 108 is connected to the X deflection circuit for spot positioning, and is used to derive a video signal when the desired character is being scanned. The curves may be determined by fine lines instead of boundaries, in which case the spot is scanned across the line, and a phase-sensitive rectifier derives an error signal, used to keep the spot on the line.
Patent GB-113183-A (GB)
Title: Improvements in Wood Screws.
Inventor: COLLINS HENRY
IPC: F16B35/06
Filed: 1917-04-10
Abstract: 113,183. Collins, H. April 10, 1917. Wood-screws.-Relates to countersinking woodscrews of the type having two opposite cutters a on the head and consists in making the cutters at the time the head is up-set. Specification 13617/09 is referred to.
Patent GB-874765-A (GB)
Title: Improvements in carton magazines for cartonning machines
Inventor: WELVAERT CLAUDE ALEXANDRE CHAR
IPC: B31B50/06
Filed: 1958-02-15
Abstract: 874,765. Feeding sheets. ROSE BROS. (GAINSBOROUGH) Ltd. May 14, 1959 [Feb. 15, 1958], No. 4989/58. Class 100(1) In a cartonning machine wherein collapsed cartons 11 are separated sequentially from a magazine by means such as an oscillating sucker, the stack of cartons is urged towards stops adjacent the separator by a pusher carriage 21 supported on a round rod 31 by opposed pairs of freely mounted grooved rollers 32 which embrace the rod, the carriage being urged towards the stack by means of a weighted chain 41 or other resilient loading means. The cartons are supported on edge on a pair of nylon tubes 12, between side guides 17, and both the upper and lower edge of the rear carton is engaged by a pusher 38 each pivotally mounted on a horizontal arm 37 formed on the carriage 21. The pushers are urged by springs towards each other against limit stops whereby a further supply of cartons can be snapped into the magazine past the pushers. The bottom arm 37 has a roller 43 engaging a horizontal track 44. The opposed rollers 32 have V-grooves therein, and are mounted for adjustment towards each other on eccentrically mounted studs 34. Attention to the need for replenishing the stack is drawn by a light or bell which is operated when a two-way switch 61 is closed by a cam plate 52 on the carriage 21 when the latter moves beyond a predetermined position, and the machine is subsequently stopped by this means if the stack is not replenished. The front stop means for the stack comprises an upper rockable crossshaft 24 with a segmental recess therein, and a lower pair of spring-urged claws 27.
Patent GB-112868-A (GB)
Title: New or Improved Devices for Defending Ships from Attack.
Inventor: HULME MATTHEW
IPC: B63G9/00
Filed: 1917-04-10
Abstract: 112,868. Hulme, M., and Murphy, A. April 10, 1917. Torpedo nets and scrceens.-A device for stopping torpedoes, mines, &c. comprises a series of yieldingly mounted nets A, Fig. 1, which, when pushed inwards by the impact, close the contacts of an electric relay circuit and bring into action strong gripping-devices G, Figs. 1 and 3, which stop and hold the torpedoes &c. and then drop them into the sea. The nets are supported at the corners by means of cylinders C sliding on plungers B, D and held outwards by springs E'. The gripping-bars D are mounted on arms E pivoted to brackets F secured to the ship's hull at the sides of each net. The opposite ends of the arms are connected by cords H to the armatures of powerful electro-magnets which are energized when the net is pushed inwards by operating the switches connected therewith within the vessel,
Patent GB-1135994-A (GB)
Title: Improvements in or relating to actuators for vehicle drum brakes
Inventor: NEWSTEAD CHARLES
IPC: F16D65/22
Filed: 1966-02-05
Abstract: 1,135,994. Drum brake actuator. GIRLING Ltd. 9 Feb., 1967 [5 Feb., 1966], No. 5142/66. Heading F2E. An actuator for an internal shoe drum brake comprises both hydraulic and mechanical actuator means, a housing 10 and two brake shoe operating members 18, 20, one actuator means being arranged between the two members and the other arranged within one of the members but capable of transmitting force to the other member. The members comprise tappets 18, 20 having inclined faces, lined with hardened strips 24, 26, presented to the rollers 28 of a wedge type actuator 32. The rollers and the wedge may be caged or a spring provided to prevent separation thereof. Two cylindrical abutment members 42 mounted in the tappet 18 extend through the end wall of tappet 20 and abut the end of a cylinder and piston unit 22, 34 slidable as a whole within the tappet 20. A shoe engaging strut 36 associated with the tappet 20 has a part spherical skirt which can rest on a cap 21 of the tappet 20. Tappet 18 has a screw-threaded connection with a sleeve 48 carrying a cup 44 engaged by the other shoe operating strut 46; the sleeve 48 may be rotated manually to adjust the brake for shoe wear. In a second embodiment (Fig. 3, not shown) the adjustment is provided on the tappet containing the hydraulic actuator. Two such actuators may be employed in a drum brake (Fig. 5, not shown) when the brake shoes anchor on respective anchorages 50, 52 provided on the housings 10 to provide a two leading shoe brake configuration.
Patent GB-130620-A (GB)
Title: Improvements in and relating to Alternating Current Motors.
Inventor: SARTORI GIUSEPPE
IPC: H02K17/26
Filed: 1917-04-12
Abstract: 130,620. Sartori, G. April 12, 1917. Alternating-current induction machines; exciting.-A three-phase asynchronous motor is converted into an auto-synchronous motor by inverting one of the phase-windings traversed by the induced currents and introducing a source of direct current into these windings. In the arrangement shown in Fig. 2, the three-phase windings are connected in parallel, and the common junction connected through a fourth slip-ring s to the starting resistances R<1>, R<2>, R<3>. By rotating the switch C, the connexion is broken and a source of direct current E introduced. In a modification, the windings are arranged in series by connecting the end 2 of one winding to the beginning of another winding and introducing the direct current through the slip-rings 5, 6, the slip-rings being dispensed with. In the application of the invention to a squirrel-cage rotor, the short-circuiting rings a, b, Fig. 4, are divided at suitable points and the direct current introduced through two slip-rings.
Patent GB-342548-A (GB)
Title: Improvements in pressure reducing valves, or regulators, more especially intended for use with containers of compressed, or liquefied gas
IPC: G05D16/06
Filed: 1930-02-18
Abstract: 342,548. Pressure-regulating valves. BRITISH OXYGEN CO., Ltd. and THOMSON, ST. J. M., Angel Road, Edmonton, London. Feb. 18, 1930, No. 5433. Addition to 319,993, [Class 135, Valves .&c.]. [Class 135.] A reducing valve of the kind claimed in the parent Specification is provided with two or more loading springs 17, 18 of different strengths, either of which may be rendered operative. The stronger spring 17 is arranged between a member 9 clamped to the actuating diaphragm 13 by a nut 16 and an abut. ment 24 slidably mounted in an extension 19 of the valve casing. The weaker spring is arranged between the other side of the abutment 24 and an abutment 20 adjusted by a hand screw 22. The abutment 20 has a spindle 21 adapted to engage the member 24 when the spring 18 is out of use.
Patent GB-702921-A (GB)
Title: Static electricity dischargers
Inventor: ALABASTER ALBERT ERNEST
IPC: B64D45/02
Filed: 1951-03-06
Abstract: 702,921. Discharging static electricity. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Feb. 19, 1952 [March 6, 1951], No. 5457/51. Class 35 An aircraft discharging brush is composed of a group of fine wires 3 secured in a flexible insulating tube 2 and connected to the aircraft body through a time-constant circuit consisting of capacity in parallel with, or, as shown, inductance in series with a discharge resistor 15. The wires, which are of stainless alloy or enamelled copper and are secured in a spreadout position by a cement 4, are bonded at their inner end to a metal sleeve 6 into which is secured an insulating coil former 7 carrying a series of inductance coils 9-14. These coils are connected in series between the sleeve 6 and the discharge resistor 15 which is connected at 16, 17 to a metal fixing clip 18 by which the device is connected to the aircraft body. The assembly is secured in a plastic moulding 19 which is provided with a further lug 21 for insulated attachment to the aircraft body.
Patent GB-573789-A (GB)
Title: Improvements in or relating to essential oil compositions
IPC: C11B9/00
Filed: 1943-04-07
Abstract: Hydroxy polyoxyethylene ethers of partial higher fatty acid esters of low molecular weight polyhydroxylic compounds are prepared by reacting the partial esters with ethylene oxide in the presence of sodium methylate.  Of a large number of actual compounds specified, mannitan monolaurate hydroxy polyoxyethylene ether with 20 oxyethylene groups per mol is typical.  The polyhydroxylic compounds specified, from which the ether-esters are derived, comprise polyhydric alcohols such as ethylene glycol, glycerol, pentaerythritol, mannitol, sorbitol; their internal ethers such as mannitan, sorbitan, sorbide, mannide; their external ethers such as polyglycerols, dipentaerythritol; and sugars such as glucose, sucrose and cyclitols such as inositol.ALSO:Essential oil compositions comprise a mixture of an essential oil and at least an equal quantity of a water soluble hydroxy polyoxyethylene ether of a partial higher fatty acid ester of a low molecular weight polyhydroxylic compound. In sufficient dilution, the compositions are suitable as perfumes, flavourings and theatre sprays.  Aqueous solutions of the compositions may be made, the ether-ester acting as a dispersing agent.  The polyhydroxylic compounds specified, from which the ether-esters are derived, comprise polyhydric alcohols such as ethylene glycol, glycerol, pentaerythritol, mannitol, sorbitol; their internal ethers such as mannitan, sorbitan, sorbide, mannide; their external ethers such as polyglycerols, dipentaerythritol; and sugars such as glucose, sucrose and cyclitols such as inositol.  The usual fatty acids are used, preferably of 12 to 16 carbon atoms.  Ethylene oxide is used to introduce the oxyethylene groups on to the unesterified hydroxyls of the partial esters; these groups solubilize the compounds and the ether-esters concerned have from 6 to 60 oxyethylene groups per mol.  The compounds are prepared by reacting the partial esters with ethylene oxide in the presence of sodium methylate.  Of a large number of actual compounds specified, mannitan monolaurate hydroxy polyoxyethylene ether with 20 oxyethylene groups per mol is typical.  The essential oils specified comprise the oils of orange, spearmint, lemon, cassia, clove, cedar leaf, peppermint, tea tree, chenopodium, pine needle, and benzaldehyde, eucalyptol, terpineol, methyl salicylate, and benzyl acetate.
Patent GB-726228-A (GB)
Title: Improvements in or relating to equipment unit mounting arrangements
Inventor: CHILDS PERCY ARTHUR
IPC: H05K7/14
Filed: 1953-02-27
Abstract: 726,228. Mounting arrangements for electrical equipment. STANDARD TELEPHONES & CABLES, Ltd. Feb. 27, 1953, No. 5566/53. Class 40 (4). A unit of electrical equipment 1 comprising a number of panels carrying electrical equipment hingedly mounted in book form on a framework is supported between two vertical members each provided with guides 3 so that it may be moved from one stable operating position to another position in which the equipment panels may be pivoted about their hinges to form an open book in order to give access to the panels mounted thereon. The unit 1 is supported by flanged studs 2, and a guard rail 8 is provided above the guide 3. The gap between the outer ends of the guide 3 and guard rail 8 through which the unit may be removed is closed by a catch 9. Two alternative embodiments in which the unit is supported on pivoted cradles are described with reference to Figs. 2 and 3 (not shown) and in the latter a slot in the cradle provides both guide and guard rail. Specification 720,762 is referred to.
Patent GB-310602-A (GB)
Title: Improvements in or relating to rubber or the like articles and the manufacture thereof
Filed: 1928-02-22
Abstract: 310,602. Macintosh & Co., Ltd., C., Brazier, S. A., and Thompson, G. F. Feb. 22, 1928. Balls.-Croquet balls, &c. having an ebonite exterior are formed by shaping an uncured ebonite sheet upon a former and vulcanizing, the former being of rubber or analogous material and becoming a part of the finished article. In the case of hollow articles, the former is preferably so formed that it may be inflated during the process. The former may be of sponge rubber..
Patent GB-268112-A (GB)
Title: Improvements in or relating to gas, oil and similar cooking or heating appliances
IPC: F24C15/10
Filed: 1926-02-27
Abstract: 268,112. Holder, W. E. Feb. 27, 1926. Supports for articles to be heated; heat distributers.-Supports for carrying utensils over a heating appliance comprise a perforated plate having a central flame-directing domed portion C<1> on the underside and a downwardly-extending marginal flange E. The form shown is comprised of three sections A<1>, A<2>. A<3> screwed together, and a central portion C carrying the dome C<1>, which is removable in order that a single utensil may be heated directly over the flame. Three portions D are cut away from the outer edge, corresponding to parts of the plate which would not be covered when the three utensils are supported on it. The plate is provided with perforations A<4> and with radial ribs B on the underside. The device may be used on the top of a gas. oil, or other stove, or may be provided with legs.
Patent GB-701779-A (GB)
Title: Improvements in and relating to gyratory crushers
Inventor: GRUENDER OSCAR CLEMENS
IPC: B02C2/04
Filed: 1953-02-27
Abstract: 701,779. Gyratory crushers. NORDBERG MANUFACTURING CO. Feb. 27, 1953, No. 5602/53. Class 59 In a gyratory crusher in which the crushing head 20 is mounted on a shaft 18 and is gyrated by an eccentric sleeve 26 which is mounted for rotation in a fixed journal 28, and in which a bearing sleeve 30 is arranged between the shaft and the eccentric sleeve and a similar bearing sleeve 32 between the eccentric sleeve and the journal, an oil supply passage passes through the journal and extends as far as the shaft so that, under the pressure of the supply through a pipe 52, oil is forced out of the passage into the clearance spaces between the bearing sleeves, the eccentric sleeve and the shaft. The passage is formed by radial holes 38, 40, 42, and 44, Fig. 2, formed in the journal 28, bearing sleeve 32, eccentric sleeve 26, and beaming sleeve 30 respectively, the holes 42 and 44 being connected by an axial groove 46 and the holes 40 and 42 by a circumferential groove 50. The crushing head 20 rests on a stationary liner 24 and oil is supplied to the clearance space between these members through a radial passage 54 and an axial passage 56 in the shaft 18, the passage 56 having at its upper end a branch 58 leading to a circumferential groove 60 in the head 20 which provides communication with a number of passages 62. Oil finds its way out of the crusher through passages 64 and 66.
Patent GB-558100-A (GB)
Title: Improved adhesive composition
IPC: C09J129/14
Filed: 1942-04-29
Abstract: 558,100. Resinous polymerization products. FRANKFURTHER, P. April 29, 1942, Nos. 5751/42, 9953/42 and 3746/43. [Classes 2 (iii) and 15 (ii)] [Also in Group VI] An adhesive composition comprises polyvinyl acetate, a colophony or dammar resin or ester gum or lime-hardened colophony and a softener, the resin component amounting to 10-50 per cent. and the softener to 20-200 per cent. by weight of the polyvinyl acetate. Two or more polyvinyl acetates of different viscosity characteristics may be used. Suitable softeners are dibutyl phthalate, benzyl benzoate or triacetin. Hardening agents such as tannic acid and formaldehyde may be added. The composition may be applied to the surfaces to be united in a plastic or molten condition, as a pre-formed film or in solution in acetone, benzene, toluene, methyl or ethyl alcohol, or butyl or amyl acetate. Such solutions may also contain water. Adhesion may be assisted by heat and pressure. Penetration into porous surfaces may be reduced by incorporating a filler such as kaolin in the composition, by applying to the surface an initial coating of the composition which is dried before the subsequent coating or by applying water or a filler or both prior to the adhesive coating. Admixture of the ingredients of the composition may be brought about on the surfaces to be united by supplying one or more of the ingredients separately. The composition may be mixed with leather dust, wood meal, wool waste, cotton wool, sand or kaolin and moulded under heat and pressure. It may be used for impregnating woven or knitted textiles, felt, yarn, string, rope, shoelaces and leather to increase their wearing properties and tear-resistance ; for preventing fraying of button-holes and laddering of knitted stockings ; for coating glass to improve its resistance to splintering ; for securing plaster of Paris to bandages ; and for uniting rubber to rubber or another material.
Patent GB-1505457-A (GB)
Title: Semiconductor devices
IPC: H01L23/48
Filed: 1976-02-13
Abstract: 1505457 Semiconductor devices BENDIX CORP 13 Feb 1976 [27 Feb 1975 14 Oct 1975] 5814/76 Heading H1K A semiconductor device comprises a conductive base 7 connected to a hollow cylindrical electrode 11 in which a semiconductor pellet 14 is contained, and a flanged coaxial spring- loaded electrode 17, 37 engaging the pellet 14 opposite the base 7 and being biased by means of a spring 49 between two washers and a metallic diaphragm 27 towards the pellet 14. The pellet 14 may be a diode or a SCR in which the electrodes 11, 17, 37 are respectively the anode, cathode and gate electrodes. The base 7 may be of Cu and it may be screwed to a heat sink, the electrode 11 may be of steel and the electrode 17 may be of Cu. The electrode 11 is welded to a metal ring 31 which is brazed to a ceramic ring 33 supporting the diaphragm 27 which presses against a Belleville spring 49 for biasing the electrode 17. The electrode 37 is biased by a compression spring 43. The housing is hermetically sealed by welding, soldering or brazing the various parts together. In an alternative embodiment the electrode 11 is threaded and is screwed on to a threaded flange on the base 7, so that a given force can be applied by the electrodes 17, 37 on the pellet 14.
Patent GB-1170792-A (GB)
Title: Apparatus for Comminuting Material
Inventor: STAIRMAND CLIFFORD JOHN
IPC: B02C18/06
Filed: 1966-02-10
Abstract: 1,170,792. Comminuting apparatus; cage grinders. IMPERIAL CHEMICAL INDUSTRIES Ltd. 26 Jan., 1967 [10 Feb., 1966], No. 5893/66. Heading B2A. At least one of a plurality of concentric cylindrical cages 1, 2, 3, 4 is rotatable and has cutting blades, whose edges are angled to a radius of a cross section at right angles to the axis of the cage so that material striking the cutting edge of a blade is sliced rather than shattered when the cage or cages is or are rotated. As described, alternate cages are rotatable about a shaft 5 in opposite directions, and the spacing of the blades, the number of cages and/or the speed of rotation e.g. 300 r.p.m., of the cages are selected to produce the slicing effect. Cage 1 has straight radial vanes 6 and the cages 2, 3, 4 have curved blades 7 each with a short straight extension chamfered to form a cutting edge 8 at an angle of about 75‹ to the radius. (For Figure see next column)
Patent GB-105794-A (GB)
IPC: C06B21/00
Filed: 1916-04-26
Abstract: 105,794. Sabulite, Ltd., McCandlish, W. H., and Robson, A. B. April 26,1916. Explosives.-Relates to means for holding a bundle of explosive or other threads compressed while bands are tied round them, and consists in the use of a circular clamp tightened around the middle of the bundle by tension. In the form shown in Fig. 1, the clamp is made of a flat piece of metal C bent to a circle with overlapping ends, one fixed to a bracket A by screws C<2>, the other C<1> attached by an eyelet C<3> to a chain D, which passes over a pulley D' and leads to a treadle E<2>. The clamp, when contracted, is held by a latch F in conjunction with a projection C<4> on the end C' of the clamp, so that the foot need not be kept down on the treadle. The clamp reopens by its own resiliency when the latch is lifted. In a modification, one end of the flat metal strip of the band is reduced in width to pass through a slot in the other end, and is extended and connected to a connecting-rod worked by a crank or an eccentric with a handle. In another modification, the clamp is constituted by a pair of wires spaced apart by transverse bars, and attached to a block which slides on a dovetailed guide and is connected to the treadle or handle, a spring being in this case attached to the block and to the bracket to reopen the clamp.